Answer:
2. ΔABC is isosceles
Step-by-step explanation:
Given : m∠A = 50
m∠BCD = 180 - (m∠BDC + m∠DBC)
= 180 - (100 + 30)
= 50
then
m∠A = m∠BCD
therefore ΔABC is isosceles
Answer:
D
Step-by-step explanation:
-4 * -6 is -34
add 2 and you have -24
Answer:33 1/3%
Step-by-step explanation:
Answer:
Calculate the third missing measure.
Use the interior angle sum of a triangle.
Compare angle measures.
Triangles with two pairs of congruent angles are similar.
The angle-angle criterion applies.
Step-by-step explanation: e2020